. >> reporter: but brooks and others note that programs like medicare are simply unsustainable having promised tens of trillions more than the government can possibly pay for. and social security faces 23% across the board cuts in 2036 when it can no longer pay full benefits. that's why brooks and others argue the most humane thing is to fix the programs so seniors aren't left in the lurch down the road the way people in greece are today which also built an unsustainable system of government benefits it could not pay for. martha: there may be a lesson in the future on that situation. thank you very much. there is a new warning today on the u.s. economy, and it again involves back to the housing market, folks. we are going to find out what is causing the latest very disappointing trend that you need to know about with regard to your home. and seven teenagers rushed by a grizzly while hiking lieu the alaskan wilderness. we will talk to one of the people who helps run that program in ten minutes from now. >> i would say that it was just general chaos. i believe we startled the bear, and